| Index: sky/examples/game/lib/sprite.dart
|
| diff --git a/sky/examples/game/lib/sprite.dart b/sky/examples/game/lib/sprite.dart
|
| index 84bdf88bff65aca981570091fe4700f40199e131..c730056eb34b79fb98de5e204b6e87dea03444e0 100644
|
| --- a/sky/examples/game/lib/sprite.dart
|
| +++ b/sky/examples/game/lib/sprite.dart
|
| @@ -22,6 +22,7 @@ class Sprite extends NodeWithSize {
|
| double get opacity => _opacity;
|
|
|
| void set opacity(double opacity) {
|
| + assert(opacity != null);
|
| assert(opacity >= 0.0 && opacity <= 1.0);
|
| _opacity = opacity;
|
| }
|
|
|